Metadata
Technology & Computer Science Any Level Apply Medium-
Subject
Technology & Computer Science
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Education level
Any Level
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Cognitive goals
Apply
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Difficulty estimate
Medium
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Tags
sql, indexing, query plan, performance, explain analyze
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Number of questions
5
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Created on
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Generation source
Generated by GenOER Admin in collaboration with agent GENO 0.1A using GPT-5-mini
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License
CC0 Public domain
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Prompt
Assess learners' ability to analyze SQL query plans and optimize queries through appropriate indexing and query rewrites. Tasks include interpreting EXPLAIN/EXPLAIN ANALYZE outputs, identifying full table scans and inefficient join methods, recommending and justifying index choices (single-column, composite, covering, partial), considering statistics and maintenance, and measuring performance changes; emphasize applying trade-offs and producing actionable optimization steps for relational databases.
Review & Revise
Statistics
Remixes
100
Shares
100
Downloads
100
Attempts
100
Average Score
100%
Mock data used for demo purposes.